<form nz-form>
  <div nz-form-item nz-row>
    <div nz-form-label nz-col [nzSm]="6" [nzXs]="24">
      <label for="email" nz-form-item-required>用户名</label>
    </div>
    <div nz-form-control nz-col [nzSm]="14" [nzXs]="24">
      <nz-input [nzSize]="'large'"></nz-input>
    </div>
  </div>
  <div nz-form-item nz-row>
      <div nz-form-label nz-col [nzSm]="6" [nzXs]="24">
        <label for="email" nz-form-item-required>用户名</label>
      </div>
      <div nz-form-control nz-col [nzSm]="14" [nzXs]="24">
        <nz-input [nzSize]="'large'"></nz-input>
      </div>
    </div>

</form>